How can the Oracle determine who deleted a specific record?

In Oracle database, you can track database operations, including recording delete operations, using the auditing feature. Here are some methods to help you see who deleted a record.

1. View audit logs

Oracle provides an auditing feature that allows you to enable and configure audit logs. You can use the following query to check the audit logs and see if there are entries related to the records you are concerned about being deleted.

SELECT *
FROM dba_audit_trail
WHERE action_name = 'DELETE'
  AND obj_name = '<table_name>'
  AND sql_text LIKE '%<record_identification>%';

Please replace `` with the name of the table you want to query and `` with the specific record identifier you are looking for.

2. Utilize Flashback to search.

If the Flashback feature is enabled and not disabled, you can use Flashback queries to view changes in historical data. Here is an example query:

SELECT *
FROM <table_name>
AS OF TIMESTAMP (SYSTIMESTAMP - INTERVAL '<time_interval>')
WHERE <condition>;

Replace `` with the name of the table you want to query, `` with the time interval before the changes you want to view, and `` with any additional conditions you want to limit.

3. Utilizing log mining techniques

If you have enabled detailed database logging (such as Oracle log mining technology), you can analyze the database log files to view information related to deleted records.

Please note that these methods may require appropriate permissions and configurations to work properly. Also, if the audit function is not enabled or the corresponding logs are not available, it may be difficult to accurately track detailed information on deleted records.

It is recommended to perform these operations under the guidance of a database administrator or professional to ensure accuracy and safety.